Data Ontologist

We''re hiring a contract Ontologist to design ontologies that help build out new AI domains within the business. This role focuses on developing semantic models and knowledge structures, helping shape how internal knowledge gets used by AI agents in product, data and global markets. Responsibilities:Design ontologies from scratch that represent core business concepts and relationships across contexts, constraints and inference patterns, approaches to reasoningStructure knowledge for GraphRAG and Search from unstructured artifacts (documents, transcripts, reports, glossaries ) as well as for assembling agent contextWork with engineers to determine how ontology gets queried, connected and reasoned overProduce design review artifacts and model documentationValidate, test against use cases, queries and workflowsEstablish maintenance process and build governance layerRequired Skills: Experience in ontology Experience with semantic standards (RDF, OWL, SHACL, SPARQL) Experience using ontology management platforms Experience with AI systems Experience with Large Language Models (LLMs)NLP knowledgeAware of how ontologies feed into AI systems and how agents retrieve and use structured context*Remote role - no travel required* Job Title: Data Ontologist Location: London, UK Job Type: Contract Trading as TEKsystems. Allegis Group Limited, Bracknell, RG12 1RT, United Kingdom. No Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of ..... full job details .....